CN2892351Y - Safety energy-saving electric welding machine with secondary diler load outputting adjustable voltage - Google Patents
Safety energy-saving electric welding machine with secondary diler load outputting adjustable voltage Download PDFInfo
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- CN2892351Y CN2892351Y CN 200620025345 CN200620025345U CN2892351Y CN 2892351 Y CN2892351 Y CN 2892351Y CN 200620025345 CN200620025345 CN 200620025345 CN 200620025345 U CN200620025345 U CN 200620025345U CN 2892351 Y CN2892351 Y CN 2892351Y
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- electric welding
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Abstract
The utility model discloses a safe and energy-saving welding machine with adjustable secondary no-load voltage. The first power supply input system of the welding machine is provided with an electromagnetic coupling term control circuit of the first input power supply circuit and the second output power supply circuit. The control circuit includes an electromagnetic coupling control switch, an electromagnetic coupling capacitor and a adhesion resistance serially connected into the first input power supply circuit and the second output power supply circuit in turn. One end of the electromagnetic coupling control switch in the coupling term control circuit is connected to the common end of the first winding of the main power supply transformer and the electromagnetic coupling capacitor, and one end of the adhesion resistance is connected with the common end of the adhesion resistance and the input power supply terminals to sectionally control coupling term control degree of the welding machine through the circuit. The added secondary no-load voltage control system of the welding machine can be used to adjust secondary no-load voltage of the welding machine by electrode to enable operators to safely operate in high-rising or humid conditions and effectively constrain no-load consumption of the welding machine. The utility model is easy to ignite arc to ensure normal operation.
Description
Technical field
The utility model relates to a kind of bonding machine, particularly a kind of energy-saving safe electric welding machine that has the unloaded Adjustable Output Voltage of secondary.
Background technology
In the process of present iron structure processing, various iron structure parts or other metal parts are welded, be the important manufacturing process in the production process.The overwhelming majority is finished by the artificial hand arc-welding machine in multiple welding equipment.And the artificial hand arc-welding machine belongs to the welding equipment of highly energy-consuming, and the title of electricity-eating tiger is always arranged.In normal welding job, be no more than 1/4 of the working time the general weld interval of adding up, so the cyclic duration factor of the welding of this kind bonding machine is set between the 25%-60% in design usually, the no-load current of this kind artificial hand arc-welding machine all is set in about 1/10 of fully loaded input current, and therefore a large amount of this artificial hand arc-welding machines that use can cause the big energy waste of tool.
At present, the manufacturer of productive manpower manual arc welder, in order to make the normal starting the arc of artificial hand arc-welding machine, and arc burning stable during welding, its floating voltage can not be done very lowly, and general floating voltage is set in about 80 volts.When this floating voltage touches the soldering set exposed part of artificial hand arc-welding machine operating personnel, because other parts of health contact with the earth cable of repair welding part and welding machine, shock hazard very easily takes place, comparatively the environment and the operating personnel of humidity are higher because of construction temperature in the work-yard for this kind phenomenon, the sweat drippage that causes, thereby the earth resistance that is directed at human body reduces, and will increase greatly the susceptibility that shocks by electricity.If when work high above the ground, not only can cause unexpected shock hazard, also can cause the high-altitude that causes because of shock hazard to fall, bring personnel's fortuitous casualty.
Summary of the invention
In order to solve the problem that exists in the above-mentioned technology, a kind of energy-saving safe electric welding machine that has the unloaded Adjustable Output Voltage of secondary that the utility model provides, this kind welding machine plays inhibitory action to once importing no-load current, and secondary output floating voltage carries out the split pole setting, it is adjusted shelves and can be multipole, adjustment voltage is 10V～55V, and carry out striking in the mode of high-voltage pulse thread-leading arc, can under the state of unloaded operation, reduce no-load power consumption significantly, the generation of the high-altitude falling accident that prevents electric shock accidents and cause thus, and can adapt to operate as normal under the various duties, the working environment of energy-saving safe is provided for operating personnel.
For achieving the above object, the technical solution adopted in the utility model provides the adjustable energy-saving safe electric welding machine of a kind of secondary floating voltage, it includes the casing of electric welding machine, the primary power source input system that is used to introduce electric welding machine is housed in described casing, the primary power source input system of described electric welding machine comprises: wiring of input power source terminal CZ1, main power transformer B2, at main power transformer the alternating-current switch device is housed in the loop of L5 once, also include and connect silicon-controlled device BG1, the circuits for triggering of BG2, in circuits for triggering, current-limiting resistance R3 and fault forced-triggered K switch 2-3 are housed, be connected to one group of coupling device at the two ends of alternating-current switch device, this group coupling device is by absorption resistor R 1, coupling condenser C1 composes in series, wherein: in this bonding machine primary power source input system, also comprise being connected to the inductance coupling amount control loop of once importing electric power loop and secondary out-put supply loop, described coupling amount control loop comprises: Chuan Jie the inductance coupling gauge tap K2-2 that once imports electric power loop and secondary out-put supply loop successively, inductance coupling capacitor C2, absorption resistor R 2, one of the inductance coupling gauge tap K2-2 common terminal that is connected to winding L5 and the inductance coupling capacitor C1 of main power transformer B2 in the described coupling amount control circuit, one of described absorption resistor R 2 is connected to absorption resistor R 1 and is connected with the common terminal of wiring of input power source terminal CZ1, by this loop the coupling amount control degree of bonding machine is carried out segmentation control.
Described coupling amount control degree is carried out segmentation and is controlled to be multipole adjustment shelves, and the adjustment voltage range is 10V～55V.
Effect of the present utility model is the electric welding machine secondary floating voltage controllable system that this structure increases, can divide three utmost points to adjust to electric welding machine secondary floating voltage, when the staff in work high above the ground, or carry out work under the comparatively moist mal-condition of condition, the secondary floating voltage of electric welding machine can be turned down, so effective prevention is too high because of electric welding machine secondary floating voltage, the shock hazard that causes, or the high-altitude of causing because of the shock hazard generation of falling.This kind duty has been carried out effective inhibition because of the restriction of group container piece to an input current of electric welding machine to the electric welder no-load energy consumption simultaneously, and higher energy-saving effect is arranged.When the staff is taken place at need because of the striking of certain reason electric welding machine in constructing, two groups of group container pieces of electric welding machine can be connected to two ends as the silicon-controlled device of alternating-current switch effect, at this moment silicon controlled secondary floating voltage increases, therefore be beneficial to striking, this duty also possesses energy-saving effect simultaneously, when electric welding machine energy-saving safe system broke down, this electric welding machine can be forced conducting with the silicon-controlled device as the alternating-current switch effect, to guarantee operate as normal.
Description of drawings
Fig. 1 is the circuit diagram of the utility model structure.
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated the energy-saving safe electric welding machine structure that has the unloaded Adjustable Output Voltage of secondary of the present utility model.
As shown in Figure 1, the energy-saving safe electric welding machine that has the unloaded Adjustable Output Voltage of secondary of the present utility model is also to be connected with the inductance coupling amount control loop of once importing electric power loop and secondary out-put supply loop in the original primary power source input system of this bonding machine, described coupling amount control loop comprises: Chuan Jie the inductance coupling gauge tap K2-2 that once imports electric power loop and secondary out-put supply loop successively, inductance coupling capacitor C2, absorption resistor R 2, one of the inductance coupling gauge tap K2-2 common terminal that is connected to winding L5 and the inductance coupling capacitor C1 of described main power transformer B2 in the described coupling amount control circuit, one of described absorption resistor R 2 is connected to absorption resistor R 1 and is connected with the common terminal of wiring of input power source terminal CZ1, by this loop the coupling amount control degree of bonding machine is carried out segmentation control.The adjustment shelves of the coupling amount of bonding machine control degree are divided into multipole, adjustment voltage is 10V～55V,
Specifically the coupling amount control degree of bonding machine is carried out the segmentation control procedure.
When pulling out coupling amount gauge tap K2 to low-grade coupling amount, coupling gauge tap K2-2 fault forced-triggered K switch 2-3 duty indicator cock K2-1 all is in off-state, the input coil L6 one of main power transformer B2 is connected to wiring of input power source terminal CZ1, the other end of wiring of input power source terminal CZ1 is connected to absorption resistor R 1 one ends, the other end of absorption resistor R 1 is connected to coupling condenser C1 one end, the other end of coupling condenser C1 is connected to main power transformer input power supply first siding ring L5 one end, and it adjusts voltage is 10V～45V.When the coupling gauge tap pulls out to middle-grade coupling amount, coupling gauge tap K2-2 closure, make coupling condenser C2 in another group coupling device by coupling gauge tap K2-2 and coupling condenser C1, main power transformer B2 once imports winding L5 and is connected, the coupling condenser C2 other end is connected with same group absorption resistor R 2, the other end of absorption resistor R 2 is connected with wiring of input power source terminal CZ1 one end, and it adjusts voltage is 10V～55V.When coupling amount gauge tap pulls out to fault forced-triggered position, fault forced-triggered K switch 2-3 closure, exchange that device controllable silicon BG2 triggers and be connected to the end of current-limiting resistance R3 through fault forced-triggered K switch 2-3, the other end of current-limiting resistance R3 is connected to the trigger electrode of alternating-current switch device controllable silicon BG1.
The high-voltage arc strike circuit of this bonding machine is by striking and keeps normally opened contact J1-2, and the rectifying device ZL1 that is connected with the secondary output loop, integrated stable voltage circuit I4, the whole voltage-stabilizing device DW2 of electricity, secondary voltage-stabilizing device DW1, unloaded high potential detect integrated circuit I 3, striking detects integrated circuit I 2, unloaded high potential is carried out pliotron BG4, and striking detects carries out triode BG3, and relay J 1 is carried out in striking.
In the secondary high-pressure arc ignition circuit of the control circuit of its bonding machine is to be taken a sample by rectifying device ZL1 by main power transformer secondary outlet side coil L7, its positive pole ensures the anode of diode D2 through secondary after rectification, the negative electrode of secondary guarantee diode D2 is received current-limiting resistance R20 one end, current-limiting resistance R20 other end string carries out the segmentation current limliting at secondary current-limiting resistance R19 one end.The secondary current-limiting resistance other end is connected to energy consumption resistance R18, filter capacitor C7 positive pole carries out filtering to the secondary sample signal, secondary energy consumption resistance R18 and filter capacitor C7 positive pole are connected to current-limiting resistance R19, integrated stable voltage circuit I4 link integrated stable voltage circuit negative pole, be connected to rectifying device ZL1 negative pole through padding voltage-stabilizing device DW2, to raise the output voltage of integrated regulator I4, integrated regulator I4 output is through energy consumption resistance R17, R25 is connected energy consumption resistance R17 with output filter capacitor C6 positive pole, R25 is connected with the negative pole of double sampling rectifying device CZ1 with secondary output filter capacitor C6 negative pole.Obtain a level and smooth direct current signal at the output of integrated stable voltage circuit I4 like this, be connected to the negative pole of high-voltage pulse thread-leading arc comparison circuit through current-limiting resistance R16, the positive pole of high-voltage pulse thread-leading arc comparison circuit is taken from current-limiting resistance R19, between the R20, to introduce between the high-voltage pulse thread-leading arc comparison circuit in the potential difference of integrated stable voltage circuit I4 output and current-limiting resistance R19 like this, its integrated stable voltage circuit I4 output is than current-limiting resistance R19, current potential between the R20 is lower slightly, be no more than rated voltage through voltage-stabilizing device DW1 voltage stabilizing to guarantee high-voltage pulse thread-leading arc circuit sampling value, this voltage is through divider resistance R9, the R10 branch is pressed in R9, produce a dividing potential drop between the R10, this branch of acquisition is crimped to striking detects the inverting input of integrated circuit I 2 and the in-phase input end that unloaded high potential detects integrated circuit I 3, striking detects integrated circuit I 2 in-phase ends and takes a sample in the center head of divider resistance R12, under the situation of normal floating voltage, this current potential is lower than the inverting input that striking detects integrated circuit I 2, and the output that striking detects integrated circuit I 2 is a low level.
When the soldering set of manual arc welder contacts with the ground wire of manual arc welder by weldment, secondary detection rectifying device CZ1 descends because of power supply main transformer B2 secondary coil L7 current potential, make the integrated testing circuit I2 of striking inverting input voltage descend, the current potential of the in-phase input end of the integrated testing circuit I2 of striking can not change because of taking from another electric power system, the output of the integrated testing circuit I2 of striking becomes high potential under the effect of pull-up resistor R8, this current potential is through current-limiting resistance R5, detect the collection utmost point of carrying out triode BG3 to striking an operating voltage is provided, the positive pole that one of relay J 1 terminates at supply line is carried out in striking, the other end of its relay is connected to striking and detects the colelctor electrode of carrying out triode BG3, because detecting execution triode BG3, striking is in conducting state, striking detects the emitter stage of carrying out triode BG3 and is connected with negative pole, for will obtaining an operating voltage, striking execution relay J 1 moves like this, the normally opened contact J1-2 closure of relay J 1 is carried out in striking, make the trigger electrode of alternating-current trigger spare through current-limiting resistance R3, keep normally opened contact J1-2 to be connected to the trigger point of alternating-current switch device BG2 through current-limiting resistance R3 by striking, make and exchange break-over of device, main power transformer B2 will obtain a high potential, and main power transformer B2 is one and contains inductive device.Thereby can induce a higher pulse voltage at main power transformer B2 secondary output winding L7, be beneficial to striking, because of striking carry out relay J 1 the electric normally opened contact J1-1 closure that make J1, the positive pole of control circuit provides a positive potential for current-limiting resistance R4 through J1-1, the collection utmost point that the other end of current-limiting resistance R4 detect to be carried out triode BG3 for striking provides one group to keep current potential, this will prevent because of in the welding process under the arcing state secondary output end voltage of main power transformer B2 be higher than and set the generation that the sampling current potential causes the current interruption phenomenon.
When welding quits work, secondary output at main power transformer B2 will produce a high potential, this current potential is through double sampling rectifying device CZ1, ensure diode D2 current-limiting resistance R19 through secondary, R20, after integrated voltage stabilizing electrical equipment I4 voltage stabilizing, be connected with the secondary control loop negative pole by secondary current-limiting resistance R16, at current-limiting resistance R19, the comparison signal of gathering between the R20 will increase, this signal is through divider resistance R13 and dividing potential drop adjustable potentiometer R14 sampling, center head at dividing potential drop adjustable potentiometer R14 is connected with the in-phase input end that unloaded high potential detects integrated circuit I 3, to be higher than the inverting input that unloaded high potential detects integrated circuit I 3 at this same sex input terminal voltage, the output that unloaded high potential detects integrated circuit I 3 presents high level under the effect of pull-up resistor R7, this current potential is that unloaded current potential detects the execution triode BG4 collection utmost point through current-limiting resistance R6, an operating voltage is provided, unloaded current potential detects the colelctor electrode of carrying out triode BG4 and is connected with the collection utmost point that striking detects execution triode BG3, unloaded current potential detects the emitter stage of carrying out triode BG4 and is connected with the emitter stage that striking detects execution triode BG3, when unloaded current potential detection execution triode BG4 obtains operating voltage, its colelctor electrode becomes to satisfy with emitter stage and closes state, this will make the collection electrode potential of BG3 be clamped down on, make striking detect execution triode BG3 collector volatge and be lower than conduction value, striking detects execution triode BG3 and is in the only state that carries, striking is carried out relay J 1 dead electricity and is disconnected, the striking that relay J 1 is carried out in striking keeps normally opened contact J1-2 to disconnect, the alternating-current switch device is in to carry and ends state, and main power transformer B2 first siding ring L5 is in power save mode because of the effect of coupling device.
Claims (2)
1, a kind of energy-saving safe electric welding machine that has the unloaded Adjustable Output Voltage of secondary, it includes the casing of electric welding machine, the primary power source input system that is used to introduce electric welding machine is housed in described casing, the primary power source input system of described electric welding machine comprises: wiring of input power source terminal (CZ1), main power transformer (B2), in the loop of a winding of main power transformer (L5) the alternating-current switch device is housed, also include and connect silicon-controlled device (BG1), (BG2) circuits for triggering, in circuits for triggering, current-limiting resistance (R3) is housed, fault forced-triggered switch (K2-3), be connected to one group of coupling device at the two ends of described alternating-current switch device, this group coupling device is by absorption resistor (R1), coupling condenser (C1) polyphone is formed
It is characterized in that: in this bonding machine primary power source input system, also comprise being connected to the inductance coupling amount control loop of once importing electric power loop and secondary out-put supply loop, described coupling amount control loop comprises: Chuan Jie the inductance coupling gauge tap (K2-2) of once importing electric power loop and secondary out-put supply loop successively, inductance coupling capacitor (C2), absorption resistor (R2), one of inductance coupling gauge tap (K2-2) common terminal that is connected to a winding (L5) Yu the inductance coupling capacitor (C1) of described main power transformer (B2) in the described coupling amount control circuit, one of described absorption resistor (R2) is connected to absorption resistor (R1) and is connected with the common terminal of wiring of input power source terminal (CZ1), by this loop the coupling amount control degree of bonding machine is carried out segmentation control.
2, the adjustable energy-saving safe electric welding machine of secondary floating voltage that has according to claim 1, it is characterized in that: described coupling amount control degree is carried out segmentation and is controlled to be multipole adjustment shelves, and the adjustment voltage range is 10V～55V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025345 CN2892351Y (en) | 2006-02-15 | 2006-02-15 | Safety energy-saving electric welding machine with secondary diler load outputting adjustable voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025345 CN2892351Y (en) | 2006-02-15 | 2006-02-15 | Safety energy-saving electric welding machine with secondary diler load outputting adjustable voltage |
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| Publication Number | Publication Date |
|---|---|
| CN2892351Y true CN2892351Y (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620025345 Expired - Fee Related CN2892351Y (en) | 2006-02-15 | 2006-02-15 | Safety energy-saving electric welding machine with secondary diler load outputting adjustable voltage |
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| Country | Link |
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| CN (1) | CN2892351Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171187A (en) * | 2015-09-08 | 2015-12-23 | 刘文斌 | Electric welding machine with adjustable no-load voltage |
-
2006
- 2006-02-15 CN CN 200620025345 patent/CN2892351Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171187A (en) * | 2015-09-08 | 2015-12-23 | 刘文斌 | Electric welding machine with adjustable no-load voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20130215 |